Basically, what I'm looking for in a knockbox is something that gets the job done and I don't have to worry about. The Bumper definitely fits the bill. This sucker is sturdy and I can bang the crap out of it with no worries. It holds a ton of pucks so I don't have to deal with emptying it all the time. My old box (one of those cheapo stainless jobs) looked good, but the rail kept coming off, it was too small and had a bit of a splatter effect. None of these worries with the Bumper. It also looks nice next to my Isomac. 50 bucks for a tube with a rubber rail around it does seem a little expensive, but I guess in reality it's well worth it.